A case of mistaken identity: a fourth ventricular tumor presenting as school phobia in a 12 year old boy.

A 12 year old boy was diagnosed as having overanxious disorder of childhood and school phobia. He was later found to be suffering from the effects of a cerebral tumor. Surgical removal of the tumor led to alleviation of the anxiety. The authors utilize this case to illustrate some aspects of differential diagnosis in child psychiatry. In particular, they point out the necessity of comprehensive physical examination in child psychiatry impatient units. The danger of attributing physical symptoms to functional illness purely in the absence of positive physical findings is noted. The importance of utilizing a biopsychosocial diagnostic model in child psychiatry is stressed.